@kadena/kadena-cli/lib/commands/devnet/utils/network.js

Kadena CLI tool to interact with the Kadena blockchain (manage keys, transactions, etc.)

import http from 'http';
import { log } from '../../../utils/logger.js';
export function networkIsAlive(networkHost) {
    return new Promise((resolve) => {
        http
            .get(networkHost, (res) => {
            resolve(res.statusCode === 200);
        })
            .on('error', (err) => {
            log.error(`Error checking network: ${err.message}`);
            resolve(false);
        });
    });
}
export function checkHealth(networkHost) {
    const hostWithSlash = networkHost.endsWith('/')
        ? networkHost
        : `${networkHost}/`;
    const url = `${hostWithSlash}health-check`;
    return new Promise((resolve) => {
        http
            .get(url, (res) => {
            // Even if we don't need the data, we still need to consume it
            // to trigger the end and finish the request.
            // if not the request will hang.
            res.on('data', () => { });
            res.on('end', () => {
                resolve(res.statusCode === 200);
            });
        })
            .on('error', (err) => {
            log.error(`Error checking network: ${err.message}`);
            resolve(false);
        });
    });
}
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